Trivially simple programs (rule sets) can give rise wildly complex systems.

Fractals, Game of Live, the emergent abilities of highly-scaled generative pre-trained transformers.

Coincidences appears to be an emergent property of (relatively) simple matter.

70kg of rocks will struggle to do anything that might look like consciousness, but when a handful of minerals and three buckets of water get together they can do the weirdest things, like wondering why there is anything at all rather than nothing.